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Programmable circuit board of vending machine based on single chip microcomputer

A single-chip microcomputer and vending machine technology, which is applied in the field of programmable vending machine circuit boards, can solve the problems of inability to program, high control cost, and low adaptability of the communication interface of the controller.

Pending Publication Date: 2018-08-07
苏州麦垛信息科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is mainly to solve the problems of low adaptability of the communication interface of the controller existing in the control circuit of the vending machine, the inability to program, high control cost, and difficulty in transplanting logic programs.

Method used

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  • Programmable circuit board of vending machine based on single chip microcomputer
  • Programmable circuit board of vending machine based on single chip microcomputer
  • Programmable circuit board of vending machine based on single chip microcomputer

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Embodiment Construction

[0031] The technical solutions of the present invention will be further specifically described below through the embodiments and in conjunction with the accompanying drawings.

[0032] refer to Figure 1-9It can be seen that the programmable vending machine circuit board based on the microcontroller includes EMI absorption circuit 1, mode selection circuit 2, 485 communication circuit 3, CAN communication circuit 4, MCU control circuit 5, output signal circuit 6, peripheral interface circuit 7, input signal Circuit 8, wherein MCU control circuit 5 includes single chip microcomputer U4, crystal oscillator Y1, capacitors C6 and C7, and resistor R39, wherein crystal oscillator Y1 forms a stable crystal oscillator circuit with C6, C7 and R39, providing 12Mhz to U4. EMI absorption circuit 1 includes C2 and E1 to stabilize the external input voltage of 12~24V, through the step-down chip U2 to an unstable 5V, the capacitor C1, the diode DZ1, the inductor L1 and the electrolytic capac...

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PUM

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Abstract

The invention relates to a programmable circuit board of a vending machine based on a single chip microcomputer. The programmable circuit board comprises an EMI (electromagnetic interference) absorbing circuit 1, a mode selection circuit 2, a 485 communication circuit 3, a CAN (control area network) communication circuit 4, a MCU (microprogrammed control unit) control circuit 5, a signal outputting circuit 6, a peripheral interface circuit 7 and a signal inputting circuit 8, wherein the signal inputting circuit 8 comprises a driving chip, and is used for inputting a signal to the MCU control circuit 5 through the driving chip; the MCU control circuit 5 is programmed, the signal outputting circuit 6 is controlled, and the MCU control circuit 5 is used for interacting data with a module through the 485 communication circuit 3 or the CAN communication circuit 4, so as to control the programming of the vending machine.

Description

technical field [0001] The invention relates to a vending machine circuit board, in particular to a programmable vending machine circuit board based on a single-chip microcomputer. Background technique [0002] Changes in the new market environment and the popularization of the concept of the Internet of Things and equipment require the vending machine control system to be real-time, traceable, fast in response, higher in rigid requirements, and lower in cost. Vending machines have also entered the Internet of Things system. Vending machines are fixed terminals. Each vending machine is a networked terminal, which includes comprehensive functions such as inventory status, machine operation feedback, and remote maintenance. What supports all of this is "powerful bottom-level collection, which can transmit bottom-level data to the host computer through data, and monitor and manage everything from machine operation status to product status at all times." [0003] The traditiona...

Claims

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Application Information

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IPC IPC(8): G05B19/042
CPCG05B19/042
Inventor 陶叶君
Owner 苏州麦垛信息科技有限公司
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